In the question rumber 66, for what value of theta, shearing stress is

1.	In the question rumber 66, for what value of theta, shearing stress is maximum?
Answer» `0^(@)` `30^(@)` `45^(@)` `90^(@)` SOLUTION :Shearing stress `=(F sin 2theta)/(2A)` Shearing stress is maximum when`sin 2theta =1` `or SIN2THETA = sin 90^(@) or 2theta = 90^(@)` ` or theta = 45^(@)`

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